service/build.gradle.kts

@@ -8,10 +8,6 @@ dependencies {
     // API docs
     implementation("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.13")
 
-    // Cache
-    implementation("org.springframework.boot:spring-boot-starter-cache")
-    implementation("com.github.ben-manes.caffeine:caffeine")
-
     // DB
     runtimeOnly("com.h2database:h2")
     runtimeOnly("com.mysql:mysql-connector-j")

service/src/main/kotlin/com/sangdol/roomescape/RoomescapeApplication.kt

@@ -3,10 +3,8 @@ package com.sangdol.roomescape
 import org.springframework.boot.Banner
 import org.springframework.boot.SpringApplication
 import org.springframework.boot.autoconfigure.SpringBootApplication
-import org.springframework.cache.annotation.EnableCaching
 import java.util.*
 
-@EnableCaching
 @SpringBootApplication(
     scanBasePackages = ["com.sangdol.roomescape", "com.sangdol.common"]
 )

service/src/main/kotlin/com/sangdol/roomescape/theme/business/AdminThemeService.kt

@@ -3,18 +3,22 @@ package com.sangdol.roomescape.theme.business
 import com.sangdol.common.persistence.IDGenerator
 import com.sangdol.roomescape.admin.business.AdminService
 import com.sangdol.roomescape.common.types.AuditingInfo
-import com.sangdol.roomescape.theme.dto.*
+import com.sangdol.roomescape.theme.dto.ThemeDetailResponse
+import com.sangdol.roomescape.theme.dto.ThemeSummaryListResponse
+import com.sangdol.roomescape.theme.dto.ThemeNameListResponse
+import com.sangdol.roomescape.theme.dto.ThemeCreateRequest
+import com.sangdol.roomescape.theme.dto.ThemeCreateResponse
+import com.sangdol.roomescape.theme.dto.ThemeUpdateRequest
 import com.sangdol.roomescape.theme.exception.ThemeErrorCode
 import com.sangdol.roomescape.theme.exception.ThemeException
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeEntity
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeRepository
 import com.sangdol.roomescape.theme.mapper.toDetailResponse
+import com.sangdol.roomescape.theme.mapper.toSummaryListResponse
 import com.sangdol.roomescape.theme.mapper.toEntity
 import com.sangdol.roomescape.theme.mapper.toNameListResponse
-import com.sangdol.roomescape.theme.mapper.toSummaryListResponse
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
-import org.springframework.cache.annotation.CacheEvict
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -77,7 +81,7 @@ class AdminThemeService(
         }
     }
 
-    @CacheEvict(cacheNames = ["theme-details"], key = "#id")
+
     @Transactional
     fun deleteTheme(id: Long) {
         log.info { "[deleteTheme] 테마 삭제 시작: id=${id}" }
@@ -89,7 +93,6 @@ class AdminThemeService(
         }
     }
 
-    @CacheEvict(cacheNames = ["theme-details"], key = "#id")
     @Transactional
     fun updateTheme(id: Long, request: ThemeUpdateRequest) {
         log.info { "[updateTheme] 테마 수정 시작: id=${id}, request=${request}" }

service/src/main/kotlin/com/sangdol/roomescape/theme/business/ThemeService.kt

@@ -10,8 +10,6 @@ import com.sangdol.roomescape.theme.mapper.toInfoResponse
 import com.sangdol.roomescape.theme.mapper.toListResponse
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
-import io.micrometer.core.instrument.MeterRegistry
-import org.springframework.cache.annotation.Cacheable
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -23,19 +21,13 @@ private val log: KLogger = KotlinLogging.logger {}
 
 @Service
 class ThemeService(
-    private val themeRepository: ThemeRepository,
+    private val themeRepository: ThemeRepository
-    meterRegistry: MeterRegistry
 ) {
-    private val themeDetailQueryRequestCount = meterRegistry.counter("theme.detail.query.requested")
-
-    @Cacheable(cacheNames = ["theme-details"], key="#id")
     @Transactional(readOnly = true)
     fun findInfoById(id: Long): ThemeInfoResponse {
         log.info { "[findInfoById] 테마 조회 시작: id=$id" }
 
-        val theme = themeRepository.findByIdOrNull(id)?.also {
+        val theme = themeRepository.findByIdOrNull(id) ?: run {
-            themeDetailQueryRequestCount.increment()
-        } ?: run {
             log.warn { "[updateTheme] 테마 조회 실패: id=$id" }
             throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
         }

service/src/main/resources/application.yaml

@@ -16,9 +16,6 @@ spring:
         jdbc:
           batch_size: ${JDBC_BATCH_SIZE:100}
         order_inserts: true
-  cache:
-    type: caffeine
-    cache-names: ${CACHE_NAMES:theme-details}
 
 management:
   endpoints:

service/src/test/kotlin/com/sangdol/roomescape/auth/business/LoginHistoryEventListenerTest.kt

@@ -1,4 +1,4 @@
-package com.sangdol.roomescape.auth
+package com.sangdol.roomescape.auth.business
 
 import com.sangdol.roomescape.auth.business.domain.PrincipalType
 import com.sangdol.roomescape.auth.infrastructure.persistence.LoginHistoryEntity
@@ -68,4 +68,4 @@ class LoginHistoryEventListenerTest : FunSpec() {
 
         return batch
     }
-}
+}

service/src/test/kotlin/com/sangdol/roomescape/reservation/business/event/ReservationEventListenerTest.kt

@@ -1,13 +1,12 @@
-package com.sangdol.roomescape.reservation
+package com.sangdol.roomescape.reservation.business.event
 
-import com.sangdol.roomescape.reservation.business.event.ReservationConfirmEvent
-import com.sangdol.roomescape.reservation.business.event.ReservationEventListener
 import com.sangdol.roomescape.reservation.infrastructure.persistence.ReservationRepository
 import com.sangdol.roomescape.reservation.infrastructure.persistence.ReservationStatus
 import com.sangdol.roomescape.schedule.infrastructure.persistence.ScheduleRepository
 import com.sangdol.roomescape.schedule.infrastructure.persistence.ScheduleStatus
 import com.sangdol.roomescape.supports.FunSpecSpringbootTest
 import io.kotest.assertions.assertSoftly
+import io.kotest.core.spec.style.FunSpec
 import io.kotest.matchers.nulls.shouldNotBeNull
 import io.kotest.matchers.shouldBe
 import org.springframework.data.repository.findByIdOrNull
@@ -43,4 +42,4 @@ class ReservationEventListenerTest(
             }
         }
     }
-}
+}

service/src/test/kotlin/com/sangdol/roomescape/theme/AdminThemeApiTest.kt

@@ -6,28 +6,21 @@ import com.sangdol.roomescape.admin.infrastructure.persistence.AdminType
 import com.sangdol.roomescape.auth.exception.AuthErrorCode
 import com.sangdol.roomescape.supports.*
 import com.sangdol.roomescape.supports.ThemeFixture.createRequest
-import com.sangdol.roomescape.theme.business.AdminThemeService
 import com.sangdol.roomescape.theme.business.MIN_DURATION
 import com.sangdol.roomescape.theme.business.MIN_PARTICIPANTS
 import com.sangdol.roomescape.theme.business.MIN_PRICE
-import com.sangdol.roomescape.theme.business.ThemeService
-import com.sangdol.roomescape.theme.dto.ThemeInfoResponse
 import com.sangdol.roomescape.theme.exception.ThemeErrorCode
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeEntity
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeRepository
 import com.sangdol.roomescape.theme.dto.ThemeUpdateRequest
-import io.kotest.assertions.assertSoftly
 import io.kotest.matchers.nulls.shouldNotBeNull
 import io.kotest.matchers.shouldBe
 import org.hamcrest.CoreMatchers.equalTo
-import org.springframework.cache.CacheManager
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.http.HttpMethod
 
 class AdminThemeApiTest(
-    private val themeRepository: ThemeRepository,
+    private val themeRepository: ThemeRepository
-    private val themeService: ThemeService,
-    private val cacheManager: CacheManager
 ) : FunSpecSpringbootTest() {
 
     init {
@@ -489,19 +482,14 @@ class AdminThemeApiTest(
                 }
             }
 
-            test("정상 삭제 및 캐시 제거 확인") {
+            test("정상 삭제") {
                 val token = testAuthUtil.defaultHqAdminLogin().second
                 val createdTheme = initialize("테스트를 위한 테마 생성") {
                     dummyInitializer.createTheme()
                 }
 
-                initialize("테마 캐시 추가") {
-                    themeService.findInfoById(createdTheme.id)
-                    cacheManager.getCache("theme-details")?.get(createdTheme.id, ThemeInfoResponse::class.java).shouldNotBeNull()
-                }
-
                 runTest(
-                    token = token,
+                    token = testAuthUtil.defaultHqAdminLogin().second,
                     on = {
                         delete("/admin/themes/${createdTheme.id}")
                     },
@@ -510,7 +498,6 @@ class AdminThemeApiTest(
                     }
                 ).also {
                     themeRepository.findByIdOrNull(createdTheme.id) shouldBe null
-                    cacheManager.getCache("theme-details")?.get(createdTheme.id, ThemeInfoResponse::class.java) shouldBe null
                 }
             }
 
@@ -579,7 +566,7 @@ class AdminThemeApiTest(
 
             val updateRequest = ThemeUpdateRequest(name = "modified")
 
-            test("정상 수정 및 감사 정보 & 캐시 변경 확인") {
+            test("정상 수정 및 감사 정보 변경 확인") {
                 val createdThemeId: Long = initialize("테스트를 위한 관리자1의 테마 생성") {
                     runTest(
                         token = testAuthUtil.defaultHqAdminLogin().second,
@@ -595,11 +582,6 @@ class AdminThemeApiTest(
                     ).extract().path("data.id")
                 }
 
-                initialize("테마 캐시 추가") {
-                    themeService.findInfoById(createdThemeId)
-                    cacheManager.getCache("theme-details")?.get(createdThemeId, ThemeInfoResponse::class.java).shouldNotBeNull()
-                }
-
                 val (otherAdmin, otherAdminToken) = initialize("감사 정보 변경 확인을 위한 관리자2 로그인") {
                     testAuthUtil.adminLogin(
                         AdminFixture.createHqAdmin(permissionLevel = AdminPermissionLevel.WRITABLE)
@@ -622,12 +604,6 @@ class AdminThemeApiTest(
 
                     updatedTheme.name shouldBe updateRequest.name
                     updatedTheme.updatedBy shouldBe otherAdmin.id
-
-
-                    // 캐시 제거 확인
-                    assertSoftly(cacheManager.getCache("theme-details")?.get(createdThemeId, ThemeInfoResponse::class.java)) {
-                        this shouldBe null
-                    }
                 }
             }
 

service/src/test/kotlin/com/sangdol/roomescape/theme/ThemeApiTest.kt

@@ -10,32 +10,23 @@ import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeEntity
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeRepository
 import com.sangdol.roomescape.theme.mapper.toEntity
 import com.sangdol.roomescape.user.infrastructure.persistence.UserEntity
-import io.kotest.assertions.assertSoftly
 import io.kotest.matchers.collections.shouldContainInOrder
 import io.kotest.matchers.collections.shouldHaveSize
 import io.kotest.matchers.comparables.shouldBeLessThan
-import io.kotest.matchers.nulls.shouldNotBeNull
-import io.kotest.matchers.shouldBe
 import org.hamcrest.CoreMatchers.equalTo
-import org.springframework.cache.CacheManager
 import org.springframework.http.HttpMethod
 import java.time.LocalDate
 
 class ThemeApiTest(
-    private val themeRepository: ThemeRepository,
+    private val themeRepository: ThemeRepository
-    private val cacheManager: CacheManager
 ) : FunSpecSpringbootTest() {
     init {
         context("ID로 테마 정보를 조회한다.") {
-            test("정상 응답 및 캐시 저장 확인") {
+            test("정상 응답") {
                 val createdTheme: ThemeEntity = initialize("조회를 위한 테마 생성") {
                     dummyInitializer.createTheme()
                 }
 
-                cacheManager.getCache("theme-details")?.get(createdTheme.id, ThemeInfoResponse::class.java).also {
-                    it shouldBe null
-                }
-
                 runTest(
                     on = {
                         get("/themes/${createdTheme.id}")
@@ -52,15 +43,6 @@ class ThemeApiTest(
                         )
                     }
                 )
-
-                assertSoftly(cacheManager.getCache("theme-details")) {
-                    this.shouldNotBeNull()
-
-                    val themeFromCache = this.get(createdTheme.id, ThemeInfoResponse::class.java)
-
-                    themeFromCache.shouldNotBeNull()
-                    themeFromCache.id shouldBe createdTheme.id
-                }
             }
 
             test("테마가 없으면 실패한다.") {

service/src/test/kotlin/com/sangdol/roomescape/theme/ThemeConcurrencyTest.kt

@@ -1,68 +0,0 @@
-package com.sangdol.roomescape.theme
-
-import com.ninjasquad.springmockk.MockkBean
-import com.sangdol.roomescape.supports.FunSpecSpringbootTest
-import com.sangdol.roomescape.supports.IDGenerator
-import com.sangdol.roomescape.supports.initialize
-import com.sangdol.roomescape.theme.business.ThemeService
-import com.sangdol.roomescape.theme.infrastructure.persistence.Difficulty
-import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeEntity
-import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeRepository
-import io.mockk.every
-import io.mockk.verify
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.withContext
-import org.springframework.data.repository.findByIdOrNull
-import java.util.concurrent.CountDownLatch
-
-class ThemeConcurrencyTest(
-    private val themeService: ThemeService,
-    @MockkBean private val themeRepository: ThemeRepository,
-) : FunSpecSpringbootTest() {
-
-    init {
-        test("동일한 테마에 대한 반복 조회 요청시, DB 요청은 1회만 발생한다.") {
-            val entity = ThemeEntity(
-                id = IDGenerator.create(),
-                name = "테스트입니다.",
-                description = "테스트에요!",
-                thumbnailUrl = "http://localhost:8080/hello",
-                difficulty = Difficulty.VERY_EASY,
-                price = 10000,
-                minParticipants = 3,
-                maxParticipants = 5,
-                availableMinutes = 90,
-                expectedMinutesFrom = 70,
-                expectedMinutesTo = 80,
-                isActive = true
-            )
-
-
-            every {
-                themeRepository.findByIdOrNull(entity.id)
-            } returns entity
-
-            initialize("캐시 등록") {
-                themeService.findInfoById(entity.id)
-            }
-
-            val requestCount = 64
-            withContext(Dispatchers.IO) {
-                val latch = CountDownLatch(requestCount)
-
-                (1..requestCount).map {
-                    async {
-                        latch.countDown()
-                        latch.await()
-                        themeService.findInfoById(entity.id)
-                    }
-                }
-            }
-
-            verify(exactly = 1) {
-                themeRepository.findByIdOrNull(entity.id)
-            }
-        }
-    }
-}

service/src/test/resources/application-test.yaml

@@ -18,9 +18,6 @@ spring:
     init:
       mode: always
       schema-locations: classpath:schema/schema-mysql.sql
-  cache:
-    type: caffeine
-    cache-names: ${CACHE_NAMES:theme-details}
 
 security:
   jwt: